fix(step): color variant specificity (#3117)

Hotfix to increase color specificity when a single circular step has an independenat color but the whole step group also got a colors definition

Author: lubber-de

src/definitions/elements/step.less

@@ -882,7 +882,7 @@
                 background: @color;
             }
         }
-        .ui.ui.@{variation}.circular.steps .step, .ui.ui.circular.steps .step.@{variation} {
+        .ui.ui.@{variation}.circular.steps .step, .ui.ui.ui.circular.steps .step.@{variation} {
             &.active::before {
                 border-color: @color;
             }
@@ -894,7 +894,7 @@
                 border-color: @color;
             }
         }
-        .ui.ui.@{variation}.circular.steps:not(.vertical) .step, .ui.ui.circular.steps:not(.vertical) .step.@{variation} {
+        .ui.ui.@{variation}.circular.steps:not(.vertical) .step, .ui.ui.ui.circular.steps:not(.vertical) .step.@{variation} {
             &.completed {
                 background: @color;
             }